Update index.html

Author: masterashu

2-ui/2-events/04-default-browser-action/2-catch-link-navigation/source.view/index.html

@@ -16,7 +16,7 @@
   <fieldset id="contents">
     <legend>#contents</legend>
     <p>
-      How about to read <a href="http://wikipedia.org">Wikipedia</a> or visit <a href="http://w3.org"><i>W3.org</i></a> and learn about modern standards?
+      How about to read <a href="https://wikipedia.org">Wikipedia</a> or visit <a href="https://w3.org"><i>W3.org</i></a> and learn about modern standards?
     </p>
   </fieldset>